#B12823#B12823

#B12823 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.174 H 27.7°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B12823
RGB	rgb(177, 40, 35)
HSL	hsl(2, 67%, 42%)
HSV	hsv(2, 80%, 69%)
CMYK	cmyk(0%, 77.4%, 80.2%, 30.6%)
CIE-LAB	lab(39.56, 53.86, 37.47)
CIE-LCH	lch(39.56, 65.62, 34.83°)
OKLab	oklab(49.98% 0.1542 0.0811)
OKLCH	oklch(49.98% 0.174 27.7)
XYZ	xyz(19.1960, 10.9891, 2.7002)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B12823 #23ACB1

analogous

#B12365 #B12823 #B16F23

triadic

#B12823 #23B128 #2823B1

tetradic

#B12823 #65B123 #23ACB1 #6F23B1

square

#B12823 #65B123 #23ACB1 #6F23B1

split-complementary

#B12823 #23B16F #2365B1

monochromatic

#4B110F #7E1C19 #B12823 #D83F39 #E2716C

Accessibility & contrast

On white

6.57

#B12823 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B12823 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B12823

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B12823	#FFFFFF	#000000	##FFFFFF
##B12823	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A21

Deuteranopia (green-blind)

#74681D

Tritanopia (blue-blind)

#C30029

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b12823;
/* rgb */ color: rgb(177, 40, 35);
/* oklch */ color: oklch(50.0% 0.174 27.7);

Tailwind

colors: {
  custom: {
    50: '#d26e5f',
    500: '#b12823',
    950: '#000000',
  },
}

SCSS

$custom: #b12823;
$custom-light: #d26e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b12823",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 35
  },
  "hsl": {
    "h": 2.113,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49975,
    "c": 0.17426,
    "h": 27.7
  },
  "luminance": 0.10986
}

Semantic roles & 50–950 ramp

primary

#B12823

secondary

#68C5C8

accent

#E4EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B12823

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →